Explanation:

• The All-India Muslim League (popularised as the Muslim League) was a political party established in 1906 in British India. Where as The Hindu Mahasabha is a political party in India. The organisation was formed to protect the rights of the Hindu community, after the formation of the All India Muslim League in 1906. Hence option 2nd is correct.
• The Communist Party of India (CPI) is the oldest communist political party in India formed in 1925.The All India Forward Bloc (AIFB) is a left-wing nationalist political party in India. It emerged as a faction within the Indian National Congress in 1939, led by Subhas Chandra Bose.